Merge branch 'ss/clone-depth-single-doc' into maint

Documentation for "git fetch --depth" has been updated for clarity.

* ss/clone-depth-single-doc:
  docs: clarify that --depth for git-fetch works with newly initialized repos
  docs: say "commits" in the --depth option wording for git-clone
  docs: clarify that passing --depth to git-clone implies --single-branch

Documentation/fetch-options.txt

@@ -8,10 +8,11 @@
 	option old data in `.git/FETCH_HEAD` will be overwritten.
 
 --depth=<depth>::
-	Deepen or shorten the history of a 'shallow' repository created by
-	`git clone` with `--depth=<depth>` option (see linkgit:git-clone[1])
-	to the specified number of commits from the tip of each remote
-	branch history. Tags for the deepened commits are not fetched.
+	Limit fetching to the specified number of commits from the tip of
+	each remote branch history. If fetching to a 'shallow' repository
+	created by `git clone` with `--depth=<depth>` option (see
+	linkgit:git-clone[1]), deepen or shorten the history to the specified
+	number of commits. Tags for the deepened commits are not fetched.
 
 --unshallow::
 	If the source repository is complete, convert a shallow

Documentation/git-clone.txt

@@ -190,15 +190,14 @@ objects from the source repository into a pack in the cloned repository.
 
 --depth <depth>::
 	Create a 'shallow' clone with a history truncated to the
-	specified number of revisions.
+	specified number of commits. Implies `--single-branch` unless
+	`--no-single-branch` is given to fetch the histories near the
+	tips of all branches.
 
 --[no-]single-branch::
 	Clone only the history leading to the tip of a single branch,
 	either specified by the `--branch` option or the primary
-	branch remote's `HEAD` points at. When creating a shallow
-	clone with the `--depth` option, this is the default, unless
-	`--no-single-branch` is given to fetch the histories near the
-	tips of all branches.
+	branch remote's `HEAD` points at.
 	Further fetches into the resulting repository will only update the
 	remote-tracking branch for the branch this option was used for the
 	initial cloning.  If the HEAD at the remote did not point at any